What is the severity of CVE-2021-21858?

CVE-2021-21858 is classified as a high severity vulnerability due to its potential for integer overflow leading to heap-based buffer overflows.

How do I fix CVE-2021-21858?

To mitigate CVE-2021-21858, users should update to versions 0.5.2-426-gc5ad4e4+dfsg5-5, 1.0.1+dfsg1-4+deb11u3, or 2.2.1+dfsg1-3 of the GPAC Project on Advanced Content library.

What types of systems are affected by CVE-2021-21858?

CVE-2021-21858 affects the GPAC Project on Advanced Content library versions 1.0.1 and other specified Debian versions.

Can CVE-2021-21858 be exploited remotely?

Yes, CVE-2021-21858 can potentially be exploited remotely through specially crafted MPEG-4 files.

What are the potential impacts of CVE-2021-21858?

The exploitation of CVE-2021-21858 may lead to application crashes or execution of arbitrary code in the context of the affected system.

Vulnerability/
CVE-2021-21858

high

8.8

CWE

119 190 680

18/8/2021

3/8/2024

CVE-2021-21858: Buffer Overflow

First published: Wed Aug 18 2021(Updated: )

Multiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input can cause an integer overflow due to unchecked addition arithmetic resulting in a heap-based buffer overflow that causes memory corruption. An attacker can convince a user to open a video to trigger this vulnerability.

Credit: talos-cna@cisco.com

Affected Software	Affected Version	How to fix
debian/gpac		0.5.2-426-gc5ad4e4+dfsg5-5 1.0.1+dfsg1-4+deb11u3 2.2.1+dfsg1-3
GPAC MP4Box	=1.0.1
Debian Linux	=10.0
Debian Linux	=11.0

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-21858?
CVE-2021-21858 is classified as a high severity vulnerability due to its potential for integer overflow leading to heap-based buffer overflows.
How do I fix CVE-2021-21858?
To mitigate CVE-2021-21858, users should update to versions 0.5.2-426-gc5ad4e4+dfsg5-5, 1.0.1+dfsg1-4+deb11u3, or 2.2.1+dfsg1-3 of the GPAC Project on Advanced Content library.
What types of systems are affected by CVE-2021-21858?
CVE-2021-21858 affects the GPAC Project on Advanced Content library versions 1.0.1 and other specified Debian versions.
Can CVE-2021-21858 be exploited remotely?
Yes, CVE-2021-21858 can potentially be exploited remotely through specially crafted MPEG-4 files.
What are the potential impacts of CVE-2021-21858?
The exploitation of CVE-2021-21858 may lead to application crashes or execution of arbitrary code in the context of the affected system.

collector/security-tracker-debian
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collector/mitre-cve
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agent/description
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agent/event
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agent/tags
agent/softwarecombine
collector/nvd-index
agent/software-canonical-lookup-request
package-manager/debian
vendor/gpac
canonical/gpac mp4box
version/gpac mp4box/1.0.1
vendor/debian
canonical/debian linux
version/debian linux/10.0
version/debian linux/11.0

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